Ecosystem Information
- Information related to ecosystems in the Pacific and Yukon
regions of Canada, including state of the environment reporting,
environmental indicators, and programs and reports on ecosystem
science, monitoring and research.

MBGnet - Descriptions
and images of the biomes of the world, freshwater ecosystems, and
marine ecosystems. From the Missouri Botanical Garden.

Millenium Ecosystem Assessment
- Report of a scientific appraisal of the condition and trends in
the world’s ecosystems and the services they provide, as well as
the scientific basis for action to conserve and use them
sustainably.

Millennium
Ecosystem Assessment - Reports from international effort to
inventory global ecosystems, their contribution to human
development, and the effect of the ongoing degradation of
ecosystem services on human well-being.